Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Work and feed motors
Patent
1974-11-11
1976-08-17
Schaefer, Robert K.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Work and feed motors
318571, H02P 700
Patent
active
039756670
ABSTRACT:
An apparatus for a machine tool for the automatic generation of a switching signal and for reducing the speed of a tool from the advance feed stroke into the work stroke upon approach of the tool at the workpiece. The invention contemplates mechanism for accelerating the tool opposite to the feed direction or stroke and which upon approaching of the tool at the workpiece is electrically actuated by the switching signal.
REFERENCES:
patent: 3273182 (1966-09-01), McDonald
patent: 3573588 (1971-04-01), Geyer et al.
patent: 3595132 (1971-07-01), Thacker
patent: 3896360 (1975-07-01), Meyer et al.
Bory Michael
Grendelmeier Georg
Duncanson Jr. W. E.
Kleeman Werner W.
Schaefer Robert K.
Werkzeugmaschinen-fabrik Oerlikon-Buhrle AG
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